What should be included in my battery backup proposal?

What should be included in my battery backup proposal?

A thorough battery proposal should contain:

• Full cost of the storage system, installation, and additional equipment
• Payment milestones
• Equipment details
  • Battery size (kW and kWh)
  • Battery model and manufacturer
  • Inverter model and manufacturer (if separate from battery)
  • Battery management system (if used)
  • Critical load sub-panel size and cost
• List of all warranties (battery, inverter, installer workmanship)
• Details of additional work needed (electrical work, inverter swap, etc.)
• Pricing guarantee for all equipment
• Installer information (office location, point of contact, contact information)